| Company | Timeline | Status | |
| Dax Property Company Limited Director • Director | 7 Oct 2013←12 Years→Current | Active | |
Ross Exchangers Limited Director • Director | 1 Dec 2005←9 Years→31 Jul 2015 | Dissolved | |
Ross Offshore Limited Director • Director | 6 Nov 2001←13 Years→3 Jul 2015 | Dissolved | |
| Glacier Energy Services Limited Director • Director | 21 Aug 1998←16 Years→15 Aug 2015 | Active | |
| Ross Heat Exchangers Limited Director • Director | 31 Dec 1989←13 Years→27 May 2003 | Dissolved | |
